Please forum members
(Sorry if this is the wrong place for the question)
I have a J-Tech 44W laser
Does anyone know if you should have
the material directly in contact on the honeycomb when cutting.
Kristian
There are many different opinions and posts about it. The latest one is here…
(my way of doing it is to place the wood/acrylic directly on the honeycomp, but this requires proper extraction and the optimal settings of your laser.
Hi Kristian.
You don’t say 
A honeycomb bed will make things very easy and simple when used correctly, and most likely things will end up in (partial) disaster when used incorrectly.
It depends on what You want to accomplish by using a honeycomb bed.
More importantly though, it depends on what You have underneath the honeycomb bed.
When cutting materials that produce flammable gasses as a cutting byproduct (pretty much everything we cut to a degree):
is the way to do it in my opinion and experience as well.
The main points of using a honeycomb bed in the first place is to prevent small parts from falling in the path of the laser, and to prevent/reduce charring the back side of the material to be cut.
For a honeycomb bed function as intended, there has to be an ample airflow under it in order to dillute and remove the flammable gas-air mixture that otherwise builds up in the closed pockets, and either explodes sending the cut pieces flying, or catches fire.
Regards,
Sam
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